Warm up Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1398 Accepted Submission(s): 320 Problem Description N planets are connected by M bidirectional channels that allow instant transport…
方格取数(2) Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3663 Accepted Submission(s): 1148 Problem Description 给你一个m*n的格子的棋盘,每个格子里面有一个非负数. 从中取出若干个数,使得任意的两个数所在的格子没有公共边,就是说所取数所在的2个格子不能相邻,并且取出的…
Expression Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 202 Accepted Submission(s): 61 Problem Description As a shopkeeper of a restaurant,everyday ,dandelion's mother needs to calculat…